These Budget Performance Bilstein 5100 series shocks are a great way to improve ride over normal gas shocks for your FJ-40. With good dampening and rebound valving preset from the bilstein factory, these non rebuildable 5100 series shocks will out perform your expactions on and off the road. Just bolt them on and enjoy! Red Line Prefers these Bilstein 5100 series shocks for any FJ-40 with a 2.5″ lift. Remember these can be used with Our ProComp Lift kit, OME 2.5″ lift or any other lift on the market. Improve your Cruisers Ride with very little effort and Money!